--- a/chromium-44.0.2403.52.ebuild	2015-06-08 19:17:33.000000000 -0700
+++ b/chromium-44.0.2403.52.ebuild	2015-06-20 14:29:26.867231197 -0700
@@ -1,6 +1,6 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/www-client/chromium/chromium-44.0.2403.30.ebuild,v 1.1 2015/06/09 02:17:33 floppym Exp $
+# $Header: $
 
 EAPI="5"
 PYTHON_COMPAT=( python2_7 )
@@ -19,7 +19,7 @@ SRC_URI="https://commondatastorage.googl
 LICENSE="BSD"
 SLOT="0"
 KEYWORDS="~amd64 ~arm ~x86"
-IUSE="cups gnome gnome-keyring hidpi kerberos neon pic +proprietary-codecs pulseaudio selinux +tcmalloc"
+IUSE="cups gnome gnome-keyring hidpi kerberos neon pic +proprietary-codecs pulseaudio selinux +tcmalloc widevine"
 RESTRICT="proprietary-codecs? ( bindist )"
 
 # Native Client binaries are compiled with different set of flags, bug #452066.
@@ -91,7 +91,8 @@ DEPEND="${RDEPEND}
 	sys-apps/hwids[usb(+)]
 	>=sys-devel/bison-2.4.3
 	sys-devel/flex
-	virtual/pkgconfig"
+	virtual/pkgconfig
+	widevine? ( www-plugins/chrome-binary-plugins[widevine] )"
 
 # For nvidia-drivers blocker, see bug #413637 .
 RDEPEND+="
@@ -187,6 +188,22 @@ src_prepare() {
 	# fi
 
 	epatch "${FILESDIR}/${PN}-system-jinja-r7.patch"
+	epatch "${FILESDIR}/${PN}-backport-blink-r195908.patch"
+	epatch "${FILESDIR}/${PN}-backport-webrtc-7272a2ba.patch"
+
+	if use widevine; then
+		local WIDEVINE_VERSION="$(< "${ROOT}/usr/$(get_libdir)/chromium-browser/widevine.version")"
+		[[ -z $WIDEVINE_VERSION ]] && die "Could not determine Widevine version."
+		local sedscript='$i#include "third_party/widevine/cdm/widevine_cdm_common.h"\n'
+		sedscript+='#define WIDEVINE_CDM_AVAILABLE\n'
+		sedscript+="#define WIDEVINE_CDM_VERSION_STRING \"${WIDEVINE_VERSION}\"\\n"
+		sed -e "${sedscript}" -i third_party/widevine/cdm/widevine_cdm_version.h || die
+	fi
+
+	# build widevine_cdm as appropriate (even though it's "unsupported")
+	# but don't build the license-server test ever.
+	sed -e '1,/widevine_test_license_server/ s/"Chrome"/"Chromium"/g' \
+		-i third_party/widevine/cdm/widevine_cdm.gyp || die
 
 	epatch_user
 
@@ -289,6 +306,18 @@ src_prepare() {
 }
 
 src_configure() {
+
+	if use widevine; then
+		local WIDEVINE_SUPPORTED_ARCHS="x64 ia32"
+		local arch
+		for arch in $WIDEVINE_SUPPORTED_ARCHS; do
+			mkdir -p third_party/widevine/cdm/linux/$arch
+			cp "${ROOT}/usr/$(get_libdir)/chromium-browser/libwidevinecdm.so" \
+				third_party/widevine/cdm/widevine_cdm_*.h \
+				third_party/widevine/cdm/linux/$arch/ \
+					|| die "Could not copy headers for Widevine."
+		done
+	fi
 	local myconf=""
 
 	# Never tell the build system to "enable" SSE2, it has a few unexpected
@@ -582,6 +611,10 @@ src_install() {
 
 	doexe out/Release/libffmpegsumo.so || die
 
+	if use widevine; then
+		doexe out/Release/libwidevinecdmadapter.so || die
+	fi
+
 	# Install icons and desktop entry.
 	local branding size
 	for size in 16 22 24 32 48 64 128 256 ; do